/// <summary>
/// Creates and returns a permission that is the intersection
/// of the current permission and the specified permission.
/// </summary>
/// <param name="target">A permission to intersect with the current permission.
/// It must be of the same type as the current permission.</param>
/// <returns>A new permission that represents the intersection of the current permission
/// and the specified permission. This new permission is null if the intersectionis empty.</returns>
public override System.Security.IPermission Intersect(System.Security.IPermission target)
{
// If 'target' is null, return null.
if (target == null)
{
return(null);
}
// Both objects must be the same type.
FileAccessPermission filePerm = VerifyTypeMatch(target);
// If 'this' and 'target' are unrestricted, return a new unrestricted permission.
if (_specifiedAsUnrestricted && filePerm._specifiedAsUnrestricted)
{
return(Clone(true, PermissionType.Unrestricted));
}
// Calculate the intersected permissions. If there are none, return null.
PermissionType val = (PermissionType)Math.Min((Int32)_permission, (Int32)filePerm._permission);
if (val == 0)
{
return(null);
}
// Get the intersect.
val = new PermissionSource(_permission).Intersect(filePerm._permission);
// Return a new object with the intersected permission value.
return(Clone(false, val));
}
public override System.Security.IPermission Union(System.Security.IPermission target)
{
MemberAccessPermission result = (MemberAccessPermission)Copy();
result.items.AddRange(((MemberAccessPermission)target).CloneItems());
return(result);
}
/// <summary>
/// Verify the type.
/// </summary>
/// <param name="target">The current target.</param>
/// <returns>The file access permission is a match; else throw exception.</returns>
private FileAccessPermission VerifyTypeMatch(System.Security.IPermission target)
{
if (GetType() != target.GetType())
{
throw new ArgumentException(String.Format("target must be of the {0} type", GetType().FullName));
}
return((FileAccessPermission)target);
}
public System.Security.IPermission Intersect(System.Security.IPermission target)
{
Report("{0}.Intersect(...)", this.GetType().FullName);
if (target == null)
{
return null;
}
VerifyTargetType(target);
GisaPrincipalPermission GisaTargetPermission = (GisaPrincipalPermission)target;
GisaPrincipalPermission Result = new GisaPrincipalPermission(mPrincipal, null);
ArrayList All = new ArrayList();
if (this.mClassName != null && GisaTargetPermission.mClassName != null && this.mClassName.Equals(GisaTargetPermission.mClassName))
{
Result.mClassName = (string)(this.mClassName.Clone());
}
else
{
return null;
}
if (this.mOperations != null && GisaTargetPermission.mOperations != null)
{
foreach (string op in this.mOperations)
{
if (System.Array.IndexOf(GisaTargetPermission.mOperations, op) >= GisaTargetPermission.mOperations.GetLowerBound(0))
{
All.Add(op);
}
}
}
if (All.Count == 0)
{
return null;
}
else
{
Result.mOperations = new string[All.Count - 1];
All.CopyTo(Result.mOperations);
return Result;
//Nitro: TODO: INSTANT C# TODO TASK: The following 'ReDim' could not be resolved. A possible reason may be that the object of the ReDim was not declared as an array.
/*
ReDim Result.mOperations(All.Count - 1);
All.CopyTo(Result.mOperations);
return Result;
*/
}
}
public override System.Security.IPermission CreatePermission()
{
System.Security.IPermission result = null;
foreach (string perm in neededPermissions)
{
var p = new ApplicationDefinedPermission(PermissionState.Unrestricted)
{
Name = perm
};
result = (result == null ? p : result.Intersect(p));
}
return(result);
}
/// <summary>
/// If the two operations allow the exact set of operations
/// </summary>
public bool IsSubsetOf(System.Security.IPermission target)
{
if (target == null)
{
return(!this.m_isUnrestricted);
}
else
{
var permission = target as PolicyPermission;
return(permission.m_isUnrestricted == this.m_isUnrestricted &&
this.m_policyId.StartsWith(permission.m_policyId));
}
}
public System.Security.IPermission Union(System.Security.IPermission target)
{
Report("{0}.Union(...)", this.GetType().FullName);
if (target == null)
{
return new GisaPrincipalPermission(mPrincipal, mClassName, this.mOperations);
}
else
{
VerifyTargetType(target);
GisaPrincipalPermission GisaTargetPermission = (GisaPrincipalPermission)target;
GisaPrincipalPermission Result = new GisaPrincipalPermission(mPrincipal, null);
ArrayList All = new ArrayList();
if (this.mClassName != null && GisaTargetPermission.mClassName != null && this.mClassName.Equals(GisaTargetPermission.mClassName))
{
Result.mClassName = (string)(this.mClassName.Clone());
}
else
{
Result.mClassName = null;
}
if (this.mOperations != null)
{
All.AddRange(this.mOperations);
}
if (GisaTargetPermission.mOperations != null)
{
foreach (string s in GisaTargetPermission.mOperations)
{
if (! (All.Contains(s)))
{
All.Add(s);
}
}
}
//Nitro: TODO: INSTANT C# TODO TASK: The following 'ReDim' could not be resolved. A possible reason may be that the object of the ReDim was not declared as an array.
Result.mOperations = new string[All.Count - 1];
All.CopyTo(Result.mOperations);
return Result;
}
}
public override bool IsSubsetOf(System.Security.IPermission target)
{
var p = target as ApplicationDefinedPermission;
if (p == null || p.Name == null || Name == null)
{
return(false);
}
return
(this.Name.Length > p.Name.Length &&
this.Name.Substring(0, p.Name.Length) == p.Name &&
this.name[p.name.Length] == '.');
}
/// <summary>
/// Determines whether the current permission
/// is a subset of the specified permission.
/// </summary>
/// <param name="target">A permission that is to be tested for the subset relationship.
/// This permission must be of the same type as the current permission.</param>
/// <returns>True if the current permission is a subset of the specified permission; otherwise, false.</returns>
public override bool IsSubsetOf(System.Security.IPermission target)
{
// If 'target' is null and this permission allows nothing, return true.
if (target == null)
{
return(_permission == 0);
}
// Both objects must be the same type.
FileAccessPermission filePerm = VerifyTypeMatch(target);
// Return true if the permissions of 'this' is a subset of 'target'.
return(new PermissionSource(_permission).IsSubsetOf(filePerm._permission));
}
/// <summary>
/// Intersect the permission
/// </summary>
public System.Security.IPermission Intersect(System.Security.IPermission target)
{
if (target == null)
{
return(null);
}
if ((target as IUnrestrictedPermission)?.IsUnrestricted() == false)
{
return(target);
}
else
{
return(this.Copy());
}
}
public override bool IsSubsetOf(System.Security.IPermission target)
{
if (base.IsSubsetOf(target))
{
foreach (MemberAccessPermissionItem targetItem in ((MemberAccessPermission)target).items)
{
if (targetItem.ObjectType == ObjectType &&
targetItem.MemberName == MemberName &&
targetItem.Operation == Operation)
{
return(targetItem.Modifier == Modifier);
}
}
return(true);
}
return(false);
}
private void VerifyTargetType(System.Security.IPermission target)
{
if (target == null || target is GisaPrincipalPermission)
{
return;
}
string targetTypeFullName = "unknown";
try
{
targetTypeFullName = ((object)target).GetType().FullName;
}
catch (InvalidCastException)
{
targetTypeFullName = "unknown";
}
throw new ArgumentException(string.Format("The type of target is {0} and should be {1}", targetTypeFullName, this.GetType().FullName), "target");
}
/// <summary>
/// Creates a permission that is the union of the current permission and the specified permission.
/// </summary>
/// <param name="target">A permission to combine with the current permission. It must be of the same
/// type as the current permission.</param>
/// <returns>A new permission that represents the union of the current permission and
/// the specified permission.</returns>
public override System.Security.IPermission Union(System.Security.IPermission target)
{
// If 'target' is null, then return a copy of 'this'.
if (target == null)
{
return(Copy());
}
// Both objects must be the same type.
FileAccessPermission filePerm = VerifyTypeMatch(target);
// If 'this' or 'target' are unrestricted, return a new unrestricted permission.
if (_specifiedAsUnrestricted || filePerm._specifiedAsUnrestricted)
{
return(Clone(true, PermissionType.Unrestricted));
}
// Return a new object with the calculated, unioned permission value.
return(Clone(false, new PermissionSource(_permission).Union(filePerm._permission)));
}
public bool IsSubsetOf(System.Security.IPermission target)
{
Report("{0}.IsSubsetOf(...)", this.GetType().FullName);
//FIXME: mClassName missing
if (target == null)
{
return this.mOperations == null;
}
VerifyTargetType(target);
if (! (this == target))
{
GisaPrincipalPermission GisaTargetPermission = (GisaPrincipalPermission)target;
if (this.mOperations != null)
{
if (GisaTargetPermission.mOperations != null)
{
foreach (string s in this.mOperations)
{
if (System.Array.IndexOf(((GisaPrincipalPermission)target).mOperations, s) < ((GisaPrincipalPermission)target).mOperations.GetLowerBound(0))
{
return false;
}
}
}
}
else
{
return GisaTargetPermission.mOperations == null;
}
}
return true;
}
public IPermission Union(IPermission target)
{
throw new NotImplementedException();
}
public bool IsSubsetOf(IPermission target)
{
throw new NotImplementedException();
}
public IPermission Intersect(IPermission target)
{
throw new NotImplementedException();
}
public override System.Security.IPermission Intersect(System.Security.IPermission target)
{
throw new NotImplementedException();
}
public bool IsSubsetOf(IPermission target)
{
throw new NotImplementedException();
}
public override IPermission Intersect(System.Security.IPermission target)
{
return(null);
}
public IPermission Intersect(IPermission target)
{
throw new NotImplementedException();
}
public System.Security.IPermission Union(System.Security.IPermission target)
{
throw new NotImplementedException();
}
public IPermission Union(IPermission target)
{
throw new NotImplementedException();
}